Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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Pyraclofos

    • Product Name Pyraclofos
    • Alias MCW-5685
    • Einecs 274-663-8
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    796277

    Chemical Name Pyraclofos
    Cas Number 89737-37-1
    Molecular Formula C15H22ClNO5PS
    Molecular Weight 409.83 g/mol
    Iupac Name O-[(2-chloro-4-methylpyridin-3-yl)oxy]ethyl O-ethyl S-propyl phosphorothioate
    Appearance Colorless to pale yellow liquid
    Solubility In Water 1 mg/L (20°C)
    Boiling Point Decomposes before boiling
    Density 1.23 g/cm³ (20°C)
    Vapor Pressure 3.6 × 10⁻⁶ Pa (20°C)
    Flash Point > 100°C
    Stability Stable under recommended storage conditions
    Use Insecticide, primarily for rice pest control
    Mode Of Action Acetylcholinesterase inhibitor

    As an accredited Pyraclofos factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The Pyraclofos packaging is a sturdy 1-liter white plastic bottle with a secure screw cap, featuring clear hazard and usage labels.
    Shipping Pyraclofos should be shipped in tightly sealed, clearly labeled containers, protected from moisture, sunlight, and incompatible materials. Containers must comply with local and international regulations for hazardous chemicals. Ensure secure packaging to prevent leaks or damage during transit, and provide appropriate documentation, including safety data sheets and emergency contact information.
    Storage Pyraclofos should be stored in its original, tightly closed container in a cool, dry, and well-ventilated area, away from direct sunlight, ignition sources, and incompatible substances such as strong oxidizers. Keep it out of reach of children and unauthorized personnel. Storage areas must be secure and labeled properly to prevent accidental exposure or environmental contamination.
    Application of Pyraclofos

    Applications of Pyraclofos in Industrial Manufacturing

    Pyraclofos is an organophosphate compound with established utility in specialized industrial sectors, particularly as an agricultural chemical intermediate and for specific vector control solutions. As an original manufacturer, we ensure every batch aligns with stringent downstream customer expectations. Below, we detail main industry segments where this raw material is applied, with a clear focus on regulatory compliance, technical integration, and downstream value chain requirements.

    1. Agrochemical Formulation – Rice Pesticide Production

    Rice pesticide manufacturers incorporate Pyraclofos as an active ingredient for systemic control of rice leafrollers and rice planthoppers in paddy environments. Technical-grade material undergoes batch-specific QC to meet agrochemical purity and stability targets before downstream compounding into wettable powders or emulsifiable concentrates. Strict documentation supports regulatory dossiers for national agri-use permits. End product calibration demands repeatable dispersion qualities and controlled biological impact, considering field application conditions and crop safety margins.

    Industry compliance standards

    • GB 1886.219-2016 (China National Standard for pesticide maximum residue limits)
    • FAO/WHO Specifications for Plant Protection Products
    • OECD Guidelines for the Testing of Chemicals Section 3
    • ISO 9001:2015 quality management for batch production records

    Typical usage ratio

    • Active ingredient concentration: 20–35% in bulk technical concentrate
    • Final formulation (wettable powder): 1–5% by mass, adjusted by crop risk and local environment
    • Adjustment based on pest pressure and region-specific application norms

    Downstream process integration

    • Charged into the main reactor after solvent dissolution or solid dispension
    • Mixing phase with adjuvants, surfactants, and fillers
    • Granulation or spray-drying according to final product form
    • QC testing for dispersion, stability, and bioactivity

    Final product types

    • Wettable powder for agricultural spraying
    • Emulsifiable concentrate for aerial or ground application
    • Ready-to-use mixed pesticide packs
    • Paddy field direct-application granules

    2. Public Health Vector Control – Mosquito Larvicide Manufacturing

    Pyraclofos serves as an active larvicide component in anti-malarial vector control programs. Formulators integrate it into aqueous solutions or sand granules designed for community-level water body treatment. Downstream processes focus on rapid dissolution and steady-release performance to meet municipal and NGO project criteria. All usage must maintain conformance to international toxicological and environmental risk assessments to ensure public area safety and efficacy documentation for import approval.

    Industry compliance standards

    • WHO Pesticide Evaluation Scheme (WHOPES)
    • US EPA Product Chemistry Guidelines (OPPTS 830 series)
    • Global GAP for public health application supply chains
    • Batch traceability per ISO 22301

    Typical usage ratio

    • 0.5–3% technical material in larvicide concentrate
    • 0.2–0.8% loading in sand-based controlled-release granules
    • Adjusted for water volume, treatment interval, and local vector species resistance

    Downstream process integration

    • Added to formulation tanks post-dilution with solvents or dispersants
    • Homogenization with carrier materials (e.g., inert sand or clay)
    • Quality check for uniform distribution and release rate
    • Packaging into sachet or bulk delivery containers per campaign logistics

    Final product types

    • Aqueous larvicidal concentrate for municipal tank dosing
    • Sand-based slow-release larvicide granules
    • Field treatment sachets for emergency vector control
    • Pre-dosed application kits for international NGO distribution

    3. Seed Treatment Chemicals – Cereal Crop Processing

    Seed treatment facilities use Pyraclofos for specialized insecticidal seed coatings in wheat and barley pipelines, targeting seed-borne pests during storage and early sprouting. The active is processed into liquid suspension concentrates suitable for drum and slurry seed treaters. Detailed documentation on batch purity and carryover residues must accompany all supplies into this market, allowing downstream integration with stipulated recertification protocols. Customization to specific seed coating machinery and storage life requirements is pivotal for process consistency and alignment with regional plant health certification systems.

    Industry compliance standards

    • European Directive 2009/128/EC on sustainable pesticide use
    • US EPA 40 CFR Part 180—Tolerance Exemptions
    • OECD Seed Schemes for the Varietal Certification
    • ISTA International Rules for Seed Testing

    Typical usage ratio

    • 1–3% mass fraction in liquid concentrate for seed coating retained on final kernel
    • Direct application dosage: 1–4 grams active per kilogram of seed
    • Adjustment based on seed type, target pest, and equipment throughput rate

    Downstream process integration

    • Metered input into seed treaters post-dilution
    • Mixing with polymer binders and colorants for visible seed marking
    • QC check of coat uniformity and active distribution per batch
    • Segregated packing with end-user handling instructions

    Final product types

    • Commercially treated cereal seeds (wheat, barley, oats)
    • Starter seed packs for local farm trial projects
    • Bulk seed lots for certified grain producers
    • Prepackaged seeds for government-supported crop programs

    4. Insecticide Intermediate – Downstream Synthesis of Agricultural Chemicals

    Chemical processing companies utilize this compound as a precursor for synthesizing advanced organophosphate insecticides. The material enters multistep synthesis lines, where its core phosphorothioate structure undergoes selective modification to form new active molecules with tailored environmental persistence and crop compatibility. Strict process controls, including real-time analytic checks, ensure precursor purity and impurity profile meets each downstream molecule’s regulatory dossiers and dossier maintenance for new active ingredient registrations in developed and emerging markets.

    Industry compliance standards

    • REACH Registration, Evaluation and Authorization of Chemicals (EU)
    • China GB/T 16483-2008 (Safety Data Sheet for Chemical Products)
    • ISO 14001 environmental management for chemical synthesis
    • Responsible Care® Global Charter—process safety documentation

    Typical usage ratio

    • Primary input: 25–65% per reaction stage (depending on target molecule complexity)
    • Adjusted per yield based on conversion efficiency and side reaction minimization
    • Batch size and precursor charge scaled by desired downstream active output

    Downstream process integration

    • Initial stage feedstock into batch or semi-continuous reactors
    • Integration with alkylating or chlorination agents to modify precursor
    • Midstream workup steps: neutralization, washing, phase separation
    • Analytical QC for precursor depletion and new active formation

    Final product types

    • Custom organophosphate insecticides—formulation grade
    • Advanced agricultural pest control agents for specialty crop protection
    • Technical concentrates for further downstream pesticide blending
    • Registered products for multi-crop protection portfolios
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    Certification & Compliance
    More Introduction

    Pyraclofos: A Closer Look From the Production Line

    What We See in Pyraclofos: From Factory Floor to Farms

    Years swing by so quickly when you’re at the core of agrochemical manufacturing. For us, Pyraclofos has always stood as one of those cases where science, regulation, and reality meet in a single reactor vessel. We have watched demand for it flow in cycles, driven by shifts in pest resistance, global trade policies, climate unpredictability, and, above all, the practical concerns of those working the land. Pyraclofos, registered under CAS number 897-06-3, is a contact organophosphate that functions primarily as an insecticide and acaricide. Every kilo produced in our facility faces scrutiny for purity, active content, and storage stability—because the farmers depending on it rarely get a second chance at a season.

    Our standard output centers on Pyraclofos technical powder, with an assay typically at or above 95%. This purity ensures growers aren’t spending extra on fillers—they get exactly what they order. What we ship out then goes into numerous formulations manufactured downstream: EC (emulsifiable concentrate), WP (wettable powder), and sometimes granular products for targeted soil use. The shelf life, emulsifiability, and dispersibility are all tested batch by batch because if the concentrate refuses to mix, blaming the weather won’t save a harvest. We don’t believe in cutting corners; one breakdown in formulation points to flaws you can’t hide with marketing gloss.

    Understanding Pyraclofos at a Chemical Level

    Workers on the production line mostly see tanks, gauges, sealed drums and white crystals. Yet on a molecular level, Pyraclofos is a phosphorothioate with proven action as a cholinesterase inhibitor. That might sound clinical. On a sprayed field, that translates to how efficiently the insecticidal action stops the target species from feeding and reproducing. Unlike some insecticides in the same family, Pyraclofos generally offers a moderate residual period—not too short to require constant application, not so long that residues threaten rotational crops or neighbor’s fields. This kind of balance is what keeps our phones busy well beyond planting season.

    Farmers let us know how crucial knockdown effect and reliable broad-leaf and grass pest coverage become as resistance patterns shift. Pyraclofos won a spot in their rotation because it delivers lethal contact action against a wide pest spectrum, including lepidopteran larvae and mites, especially in cotton, rice, and fruit orchards. There’s nothing theoretical about the emergency calls we get during outbreaks. The specificity of this compound for protein acetylcholinesterase ensures that, when used as directed, the effect remains on invertebrates—not mammals. We still urge safety, always. One mishap on a rural co-op is enough to haunt a manufacturer for decades.

    What Sets Pyraclofos Apart

    Chemicals from our lines compete with a dense market filled with organophosphates and carbamates. Many products claim broad action—what sets Pyraclofos apart isn’t just molecular structure. Most of us on the production floor follow crop science journals closely. We know Pyraclofos stands out for its relatively quick degradation in soil and water. That’s not accidental. Our formulation chemists keep environmental persistence top of mind, tailoring the process for less carryover and lower risks of groundwater contamination. While the molecule holds its ground against bollworms, thrips, and mites, it avoids the chronic buildup in the environment that older insecticides create.

    We field questions about how Pyraclofos stacks up to other actives like chlorpyrifos or diazinon. Chlorpyrifos has historically brought solid control but lingers longer in soil and faces mounting regulatory limits. Pyraclofos offers comparable knockdown with less environmental tail. Thiodan (endosulfan) once occupied a similar market position but wound down as science caught up with its toxicity profile—whereas Pyraclofos stays within safety boundaries even in worst-case residue scenarios, provided it’s applied under label guidance. Results in the field bear this out, year after year.

    Decades of Adjustments: Continuing to Improve the Product

    Over 30 years of manufacturing Pyraclofos, the lessons come not only from equipment upgrades or tighter regulatory inspections. Reliability comes from dialogue—crop advisers, agronomists, and even those running old field sprayers call us. Sometimes we hear how dustiness of wettable powder led to irritation problems. We’ve responded by offering microgranular technical powder for safer handling and newer emulsifiable concentrates for ease of application. Not all adjustments come out of textbooks; operators in the plants try dozens of pilot batches until the flowability or dispersibility meets what users want in the field.

    Beyond the big crops, Pyraclofos finds its niche in fruit, vegetable, and ornamental production, appreciated for breaking resistance cycles and offering an alternative mode of action. Timing matters—getting coverage before pests reach critical thresholds makes a difference in both yield and quality. Some customers run block treatment programs, alternating Pyraclofos with non-organophosphate insecticides to keep resistance at bay. Our technical staff remain honesty brokers about resistance management, often advocating stricter alternation even when that means fewer sales for us.

    Production Realities: Quality, Safety, and Environmental Pressures

    Manufacturing organophosphates forces hard choices on every batch. Pyraclofos synthesis runs at controlled low temperatures and requires careful neutralization before recovery. Impurities, like isomers and by-products, build up if the process drifts—even shifting the pH a little or running agitation too fast creates off-product. In those moments, short-term cost cuts never win compared to the losses from a compromised batch. Factory life has taught us that every missed inspection or skipped titration comes back with a vengeance.

    Our site has seen rising pressure to meet worker and community safety benchmarks, well beyond legal minimums. It’s not just about keeping respirators in stock. We adopted automated transfer lines and improved tank venting years before regulations demanded it. For every ton of Pyraclofos technical shipped, several tons of spent solvent, wastewater, and filter cake must be accounted for. Most outside observers think compliance starts with the shipment, but anyone in production knows the back end is where most risks lie. Our water treatment capacity and incinerator investments run as large as our synthesis lines; otherwise, nearby streams and village wells would pay the price of our shortcuts.

    User Feedback and Adjustments

    Over many seasons, feedback arrives in countless ways. Farmers bring back empty containers, sometimes with field samples, and voice frustration if expected knockdown hasn’t appeared. They notice differences between a true technical grade and a cut product. Some struggle with emulsions separating in cold water tanks; others fight dust during powder mixing. Our technical teams act on this. If a remote cluster of users consistently faces issues that QC tests missed, we change the process, tweak surfactants, or switch anti-caking agents.

    Retailers pass along concerns about safe storage in poorly ventilated depots, especially in tropical and subtropical climates. We’ve doubled down on vapor-tight drums and redesigned inner linings to handle humidity and temperature spikes. Our role doesn’t end with logistics; if a rural cooperative needs training on handling or disposal, we provide protocols directly.

    Labels and documentation stay clear and transparent, grounded in real use cases rather than theory. We remember in too much detail the regulatory audits and customer returns that follow the smallest mistake—not just the financial hit, but the blow to long-term trust.

    The View From the Mixing Vat

    Inside our factory, Pyraclofos work starts well before the first ingredient enters the vessel. Our raw materials arrive sourced from major suppliers who pass both quality and regulatory audits. Any lapse in their certification cascades through our system—solvents out of spec mean the end-use formulation won’t meet international residue standards. Every blend, every batch is signed off by managers and line workers who know their job isn’t just about following protocol, but about protecting livelihoods a long way from the plant gates.

    After decades in this business, we have deep respect for the complicated life cycle of every chemical we make. Pyraclofos spends weeks in transit, sometimes through sweltering ports or in unpaved rural trucks, before it lands on the shelf of a supply store or inside a farm shed. We avoid overpromising; there is no such thing as a chemical without risks. Instead, we trust the data we gather and the seasoned eyes of those using our products year in and year out. We invest in extra rounds of stability tests and work with researchers to understand photodegradation, hydrolysis rates, and how tank-mix partners change outcomes in real-world conditions.

    Differences That Matter: Why Pyraclofos Makes Its Mark

    We have always watched market trends and seen newer chemistries emerge—pyrethroids, neonicotinoids, and biotechnology traits. Each solves some problems, but Pyraclofos retains value because it answers resistance gaps and offers a dependable backup when others fail. Pyrethroids, for example, tend to lose power quickly against hard-to-hit pests like Helicoverpa or Tetranychus as resistance soars. Pyraclofos, properly cycled, brings them down thanks to a unique biochemical target, sidestepping cross-resistance. GM crops may provide baseline protection, but secondary infestations still threaten yields. That’s when practical tools like Pyraclofos regain their relevance.

    Many ask: does Pyraclofos fit sustainable agriculture? We’ve worked with university partners and trade bodies to answer that by tracking soil breakdown, aquatic residue, and bioaccumulation. While not classed as a “green” pesticide, it creates far less persistent residue than most legacy products and supports integrated pest management by preserving non-target organisms when localized and well-timed. When users stick to buffer zones and weather-awareness protocols, leaching risks remain minimal. These aren’t just regulatory claims; we verify them through batch tracing, long-term field studies, and water testing near our manufacturing site and beyond.

    Challenges in the Regulatory Landscape

    Producing Pyraclofos now means working under changing laws and shifting regulatory tides. Some countries have tightened registration processes, demanding exhaustive animal and environmental impact reports that stretch over many years. We work with outside labs and regulatory consultants, not just to tick boxes, but to improve our processes. Every supply contract brings layers of documentation—purity certificates, storage instructions, and full traceability tracing back to the synthesis batch. One infraction, and you could see a market closed for years.

    We track international residue standards religiously; many export-oriented farmers, especially those selling to Europe and Japan, depend on correct pre-harvest intervals. That’s a level of involvement we take seriously, since missing new MRLs (maximum residue limits) by the smallest fraction leads to harvest rejection, no matter how consistent our product control. We share in the pain when this happens—bad shipments lead to calls, audits, and, at times, difficult conversations with long-term clients.

    Responsible Manufacturing: What We Have Learned

    Years of making Pyraclofos have taught us that manufacturing isn’t merely about churning out drums and powder sacks. Each decision shapes public perception, worker health, and local environments. We work with health agencies and environmental assessors, sharing both our successes and our most challenging near-misses. Once, a minor valve leak nearly sent volatile organics into the local air; containment plans weren’t just improved on paper, but by drills and safety shutdown protocols that became routine. Our shop floor teams—some with two generations at the same plant—don’t just rely on “best practices,” they improve them because their families live nearby.

    Feedback from NGOs and local communities count as much as regulatory checklists. We attend field days and local forums, listening to concerns even when they are critical of synthetic pesticides. Our outreach focuses on teaching stewardship—not only for correct chemical use, but for handling spills, drum recycling, and limiting non-target exposure. For every new market entered, we align with local agricultural extension services to make sure protocols make sense for local realities, not just lab conditions.

    Storage, Distribution, and End-User Support

    Once Pyraclofos leaves our warehouse, our responsibility stretches on. Logistical delays or mishandling show up in customer complaints and damage our reputation faster than any in-plant issue. We educate partners on maintaining cool, dry storage and avoiding sunlight exposure, especially for emulsifiable concentrate. Container integrity means more than a tight seal—it must withstand months of rough transportation, shifting temperatures, and rough treatment on rural roads.

    Our field support works with distribution partners to create real feedback channels. Not every incident can be avoided, but early signals—like product caking, phase separation, or off-odor—are investigated and traced backwards. We document every step, not just for compliance, but because we know livelihoods rely on fast and honest troubleshooting. Where customers need replacement, training, or help with safe disposal, we step in directly. Failures in that chain never stay hidden long.

    Toward Improved Formulations and Practices

    The farm landscape keeps changing. Organic and low-input sectors pressure us to reduce drift, cut hazardous by-products, and extend re-entry intervals to suit mixed cropping. Our R&D teams keep working at these edges, testing new adjuvants, experimenting with ultra-low volume sprays, and reducing solvent content in liquid formulations. We use every reported failure as a data point—more than once, storage problems reported by growers led us to reformulate entirely.

    Smallholder farmers, especially in arid climates, face dust and solubility challenges. We have responded by investing in water-dispersible granules targeting those needs, and we offer technical support in multiple languages, including practical handling tips. Large commercial growers want precision dosing with GPS-linked machinery; we now provide denser concentrates that reduce transport loads and speed tank filling. None of this appears on standard spec sheets, but it proves itself in results and repeat business.

    Trust Built Over Time

    We make Pyraclofos not just for markets and policies, but for the trust that has built up from decades of listening. There’s no substitute for consistency and honesty—if a lot fails on final assay, we recall and fix it, even under commercial pressure. Every customer loss feels personal, as does every success in the field. Our pride in Pyraclofos grows from getting these details right, far from any executive suite or boardroom.

    For us, the real proof of Pyraclofos isn’t in the theoretical literature or marketing handouts. It’s in field reports from real use cases: the season saved, the outbreak checked, the shipment that arrives on time and works as promised. As the world calls for stricter safety and cleaner chemistry, we keep answering through open reporting, investment in environmental controls, and a direct line to everyone who touches the product. That’s why Pyraclofos continues to stand the test—not because it’s perfect, but because the people making it care about every last detail.